Video Extensometer is available with 4 fields of view.
September 28, 2006 -
Model videoXtens extensometer is capable of simultaneously measuring longitudinal and transverse strain and is used for measurement of r and n values to ISO 10113 and ISO 10275, respectively, on sheet steel. It is utilized in materials testing applications where contact with specimen is impractical and includes software to record real-time video stream of test. Extensometer complies with Class 1 of ISO 9513 and B2 of ASTM E83.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Zwick's New Video Extensometer Takes a Closer Look at Strain Measurement in Materials Testing
August 23., 2006
Zwick has released its latest videoXtens video extensometer aimed at materials testing applications where it is impractical or inadvisable to make contact with the specimen. Able to simultaneously measure longitudinal as well as transverse strain the device is particularly suited for the measurement of r and n values to ISO 10113 and ISO 10275 respectively on sheet steel as well as in many other applications where a contact extensometer could be damaged by whiplash from a fracturing specimen, such as the testing of belts.
All strain related test results such as offset yield / proof stress, yield point elongation, r value, and strain to failure are measured automatically. For the measurement of the reduction in width of the specimen during the test the extensometer uses sophisticated edge detection technology which saves time by avoiding the need for the operator to attach a second pair of marks to the sample.
The video extensometer is attached to the test machine frame using a secure yet flexible mounting unit which ensures perfect alignment with the axis of the testing machine, and the specimen being tested. For testing machines having two test areas the universal extensometer mounting system can be simply adapted to either area, whilst the versatile specimen illumination system can also be placed in the optimum position for each test.
Using the extensometer with the testing machine is simplicity itself. After a one time setup procedure the operator simply attaches two marks on the test specimen, places it in the grips of the tester and starts the test. The extensometer is able to measure the distance between the marks and can use this value as the gauge length for the test.
Zwick's proprietary software testXpert®, is used to control, synchronize, and process the longitudinal strain, transverse strain, and force data in real time on a single PC. When carrying out tests in a temperature chamber the extensometer can remain at ambient temperature and view the specimen marks through a glass window. This eliminates the need to contact the specimen, improves the accuracy of test results, and simplifies the test procedure.
The Zwick videoXtens is available with a choice of four fields of view (FOV) to suit different applications. With a field of view of 50mm (2 in) the system has a resolution of 0.25µm (0.01µin), and the video extensometer complies with Class 1 of ISO 9513, and B2 of ASTM E83. A software tool records a real-time video stream of the test which can then be used as part of the test documentation, or as a visual aid for education or training purposes.
About Zwick:
Zwick is one of the internationally leading suppliers in the field of materials testing. With precise, innovative, and reliable testing machines and with intelligent software, the company delivers tailor-made solutions for nearly every testing application in modern mechanical materials testing. For more information please visit www.zwick.com
Company Name: Zwick USA LP
Address 1: Zwick Roell Group
Address 2: 1620 Cobb International Boulevard
City: Kennesaw
State: GA
Zip: 30152
Country: USA
Phone: 001 770 420 6555
URL: www.zwick.com
Marketing:
Roell Prafsysteme GmbH
Hannelore Spahl PR Manager
USA E-mail this person Company Information: Name: Zwick USA Address: 1620 Cobb International Blvd., Suite 1 City: Kennesaw State: GA ZIP: 30152 Country: USA Phone: 770-420-6555 FAX: 770-420-6333 http://www.zwickusa.com
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